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Home arrow Articles by Topic arrow Storm Surge arrow Pre- and Post-Storm Photo Comparisons - Bolivar Peninsula, TX
Pre- and Post-Storm Photo Comparisons - Bolivar Peninsula, TX PDF Print
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Articles - Storm Surge
Written by U.S. Geological Survey   
Tuesday, 30 September 2008

On Monday, September 15, 2008, two days after the landfall of Hurricane Ike, USGS scientists acquired oblique aerial photographs from an altitude of about 200 m from Creole in western Louisiana to Freeport, Texas, south of Galveston. These photos were compared to images at the same locations acquired on September 9, 2008, several days before landfall, and revealed remarkably diverse changes along the impacted coast.

The most extensive impacts to beaches and structures occurred immediately to the right of landfall, near the right eyewall, along the sandy spit of the Bolivar Peninsula, TX. The combination of low dunes and high surge levels, made these beaches vulnerable to inundation and large-scale coastal changes during Ike landfall.

Entire neighborhoods were destroyed by battering waves riding on top of a 5 meter storm surge. Low, 1-3 meter sand dunes that were protecting those neighborhoods were flattened by erosion and sand from the beach and dunes was transported landward and ultimately deposited across the width of several blocks.

Oblique aerial photography of Bolivar Peninsula, TX, on September 9, 2008 (top) and September 15, 2008, two days after landfall of Hurricane Ike (bottom). Yellow arrows mark features that appear in each image. In addition to the loss of houses, the evidence of inundation here includes eroded dune face and sand deposited well inland of the shoreline.

Full story here and here.


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Last Updated ( Tuesday, 30 September 2008 )
 
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